An enormous emerald held by police in California is ... were set to secure $25 million worth of a small cut and polished emeralds from Riberio and Filho. They planned to use the stones as ...
Mistakes cause weight loss, which greatly reduces the value of a potentially valuable gem. Four characteristics of emerald crystals make them difficult to cut. First, almost all emeralds have ...
This scheme allows the duty-free import of Natural Cut and Polished Diamonds, of less than ¼ Carat (25 Cents). It also mandates export obligation with a value addition of 10%.